80440224013 has 2 divisors, whose sum is σ = 80440224014. Its totient is φ = 80440224012.

The previous prime is 80440223917. The next prime is 80440224023. The reversal of 80440224013 is 31042204408.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67767543684 + 12672680329 = 260322^2 + 112573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80440224013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80440224023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40220112006 + 40220112007.

It is an arithmetic number, because the mean of its divisors is an integer number (40220112007).

Almost surely, 2^80440224013 is an apocalyptic number.

It is an amenable number.

80440224013 is a deficient number, since it is larger than the sum of its proper divisors (1).

80440224013 is an equidigital number, since it uses as much as digits as its factorization.

80440224013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 28.

The spelling of 80440224013 in words is "eighty billion, four hundred forty million, two hundred twenty-four thousand, thirteen".